490081599

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{25339}}^1$

素因数の和:25659

約数の個数: 24

約数和(自身を含む): 811690880

約数和(自身を除く): 321609281

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 2149, 2763, 6447, 19341, 25339, 76017, 177373, 228051, 532119, 1596357, 7779073, 23337219, 54453511, 70011657, 163360533, 490081599]

約数ペア:

[(1, 490081599), (3, 163360533), (7, 70011657), (9, 54453511), (21, 23337219), (63, 7779073), (307, 1596357), (921, 532119), (2149, 228051), (2763, 177373), (6447, 76017), (19341, 25339)]